Features By David Weinberg
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Tesla's secret to success? Selling emissions credits
Luxury electric car maker Tesla is expected to report a profit on Wednesday. The profit comes not from the $100,000 cars, but from California Zero Emission Vehicle Credits that amount to thousands of dollars a car when resold to other car makers.
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Many job openings, fewer hires
New numbers on job openings in the U.S. are out. And there's a bit of a mystery: Why are there so many job openings and so few hires?
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The planet's most expensive prison: Guantanamo by the numbers
The Department of Defense wants to spend nearly $200 million to upgrade facilities at Guantanamo Bay. President Obama wants to shut it down for good. We take a look at the numbers behind the planet's most expensive prison.
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State budgets are doing better, but will they spend the new income?
State tax receipts have rebounded and are set to exceed the pre-recession peaks. After severe budget cutbacks, states are spending the new money on...what?
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Natural gas prices skyrockets, will wells and fracking follow?
Natural gas prices are at a two-year high. Does this mean even more natural gas in our lives?
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Putting a dollar value on that tree in your yard
Yes, it's Arbor Day again. Don't hug a tree, plant one. Or, calculate the value of what a tree is doing for the environment.
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What makes you happy when your call is put on hold?
An industry is devoted to occupying your time while you're on hold, waiting for customer service. But the best on-hold experience? Not being put on hold.
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Digital billboards: Public service in Boston, public nuisance to other cities
On the day digital billboards spread news of the Boston Marathon bombing among Boston drivers, a judge's decision turned off digital billboards in Los Angeles. Cities and advertising companies argue over the bright billboards' value.
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The strange and common things you can find for sale on the black market
The arrest of a man for selling $370,000 worth of toner cartridges is a reminder that there are all sorts of mundane materials and products that have a second life on the black market.
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Raj Chetty: Exploring how the economy works in real life
Raj Chetty just won the John Bates Clark Medal for economists under the age of 40. We walk with him through one of his experiments that shed light on how people make economic decisions.
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